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Finding the Third Proportional to 20,213,372 and 31,100,766

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Solution

The third proportional to 20,213,372 and 31,100,766 is: 47,852,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,372 : 31,100,766 = 31,100,766 : x
  2. Step 2: Convert to fraction form
    20,213,372/31,100,766 = 31,100,766/x
  3. Step 3: Cross multiply
    20,213,372x = 31,100,766 × 31,100,766
  4. Step 4: Simplify right side
    20,213,372x = 967,257,645,786,756
  5. Step 5: Solve for x
    x = 967,257,645,786,756/20,213,372
  6. Step 6: Final answer
    x = 47,852,364.55

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.